[v6.1] INFO: rcu detected stall in ip_list_rcv (4)
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syzbot
9:08 AM (6 hours ago) 9:08 AM
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Hello,
syzbot found the following issue on:
HEAD commit: fdb6fcb41cc7 Linux 6.1.176
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1133ddfe580000
kernel config: https://syzkaller.appspot.com/x/.config?x=acfbe65fbce84c0c
dashboard link: https://syzkaller.appspot.com/bug?extid=d048b6277c10563ef2c6
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8a12ae1ddcea/disk-fdb6fcb4.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d0dd1b27df77/vmlinux-fdb6fcb4.xz
kernel image: https://storage.googleapis.com/syzbot-assets/871bf60ea1f2/bzImage-fdb6fcb4.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d048b6...@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4355 0-.... } 5437 jiffies s: 2297 root: 0x1/T
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4464 Comm: syz.3.34 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:52 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline]
RIP: 0010:unwind_next_frame+0x1216/0x1fd0 arch/x86/kernel/unwind_orc.c:448
Code: 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 7c 45 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 27 <49> 63 07 4c 01 f8 49 8d 4f 04 4c 39 f0 48 0f 46 e9 49 8d 47 fc 4c
RSP: 0018:ffffc90000005438 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffc90000005540 RCX: dffffc0000000000
RDX: ffffffff8eaa0588 RSI: ffffffff8e36effc RDI: 0000000000000001
RBP: ffffffff8e36effc R08: 0000000000000010 R09: ffffc90000005590
R10: dffffc0000000000 R11: fffff52000000ab4 R12: ffffffff8e36effc
R13: ffffffff8e36f014 R14: ffffffff81d3201a R15: ffffffff8e36f008
FS: 00007fae63f7c6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000001a2da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
perf_callchain_kernel+0x42a/0x690 arch/x86/events/core.c:2805
get_perf_callchain+0x236/0x490 kernel/events/callchain.c:204
perf_callchain kernel/events/core.c:7512 [inline]
perf_prepare_sample+0x399/0x2020 kernel/events/core.c:7545
__perf_event_output kernel/events/core.c:7730 [inline]
perf_event_output_forward+0x197/0x2f0 kernel/events/core.c:7750
__perf_event_overflow+0x457/0x630 kernel/events/core.c:9496
perf_event_overflow kernel/events/core.c:9517 [inline]
perf_swevent_hrtimer+0x472/0x630 kernel/events/core.c:10967
__run_hrtimer kernel/time/hrtimer.c:1751 [inline]
__hrtimer_run_queues+0x4e7/0xc90 kernel/time/hrtimer.c:1815
hrtimer_interrupt+0x399/0x980 kernel/time/hrtimer.c:1877
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
__sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:49 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline]
RIP: 0010:unwind_next_frame+0x1233/0x1fd0 arch/x86/kernel/unwind_orc.c:448
Code: 00 00 fc ff df 0f b6 04 08 84 c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 f0 48 0f 46 e9 49 8d 47 fc 4c 0f 47 e8 4d 0f 46 e7 <4c> 39 ed 76 a8 e9 ec ef ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 7c
RSP: 0018:ffffc90000005f40 EFLAGS: 00000287
RAX: ffffffff8e2fcc68 RBX: ffffc90000005fe8 RCX: ffffffff8e2fcc70
RDX: ffffffff8e9f500c RSI: ffffffff8e2fcc54 RDI: 0000000000000001
RBP: ffffffff8e2fcc70 R08: 000000000000000c R09: 0000000000000021
R10: dffffc0000000000 R11: fffff52000000c09 R12: ffffffff8e2fcc6c
R13: ffffffff8e2fcc70 R14: ffffffff814f4874 R15: ffffffff8e2fcc6c
arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1729 [inline]
slab_free_freelist_hook+0x133/0x1b0 mm/slub.c:1755
slab_free mm/slub.c:3687 [inline]
__kmem_cache_free+0xb6/0x200 mm/slub.c:3700
skb_free_head net/core/skbuff.c:762 [inline]
skb_release_data+0x5e9/0x7e0 net/core/skbuff.c:791
skb_release_all net/core/skbuff.c:856 [inline]
__kfree_skb net/core/skbuff.c:870 [inline]
consume_skb+0xa2/0x100 net/core/skbuff.c:1035
__dev_kfree_skb_any+0x12f/0x150 net/core/dev.c:3223
free_old_xmit_skbs+0x117/0x2b0 drivers/net/virtio_net.c:1639
start_xmit+0x177/0x1710 drivers/net/virtio_net.c:1901
__netdev_start_xmit include/linux/netdevice.h:4894 [inline]
netdev_start_xmit include/linux/netdevice.h:4908 [inline]
xmit_one net/core/dev.c:3695 [inline]
dev_hard_start_xmit+0x292/0x8b0 net/core/dev.c:3711
sch_direct_xmit+0x24d/0x4a0 net/sched/sch_generic.c:345
__dev_xmit_skb net/core/dev.c:3932 [inline]
__dev_queue_xmit+0x180d/0x3810 net/core/dev.c:4337
neigh_output include/net/neighbour.h:545 [inline]
ip_finish_output2+0xd53/0x1220 net/ipv4/ip_output.c:228
NF_HOOK_COND include/linux/netfilter.h:291 [inline]
ip_output+0x2d9/0x400 net/ipv4/ip_output.c:434
dst_output include/net/dst.h:453 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x10e6/0x1c10 net/ipv4/ip_output.c:538
__tcp_transmit_skb+0x1cc4/0x31e0 net/ipv4/tcp_output.c:1407
tcp_rcv_established+0x132b/0x1de0 net/ipv4/tcp_input.c:6076
tcp_v4_do_rcv+0x67c/0xaf0 net/ipv4/tcp_ipv4.c:1684
tcp_v4_rcv+0x2810/0x2e90 net/ipv4/tcp_ipv4.c:2115
ip_protocol_deliver_rcu+0x38c/0x740 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2c0/0x510 net/ipv4/ip_input.c:233
NF_HOOK+0x329/0x3b0 include/linux/netfilter.h:302
dst_input include/net/dst.h:463 [inline]
ip_sublist_rcv_finish net/ipv4/ip_input.c:580 [inline]
ip_list_rcv_finish net/ipv4/ip_input.c:631 [inline]
ip_sublist_rcv+0xa2e/0xd50 net/ipv4/ip_input.c:639
ip_list_rcv+0x3e9/0x440 net/ipv4/ip_input.c:674
__netif_receive_skb_list_ptype net/core/dev.c:5662 [inline]
__netif_receive_skb_list_core+0x57e/0x770 net/core/dev.c:5710
__netif_receive_skb_list net/core/dev.c:5762 [inline]
netif_receive_skb_list_internal+0x93f/0xca0 net/core/dev.c:5853
gro_normal_list include/net/gro.h:433 [inline]
napi_complete_done+0x37e/0x850 net/core/dev.c:6194
virtqueue_napi_complete drivers/net/virtio_net.c:403 [inline]
virtnet_poll+0x9a8/0x1150 drivers/net/virtio_net.c:1717
__napi_poll+0xbb/0x460 net/core/dev.c:6628
napi_poll net/core/dev.c:6695 [inline]
net_rx_action+0x622/0xbc0 net/core/dev.c:6809
handle_softirqs+0x291/0x910 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:finish_task_switch+0x267/0x8e0 kernel/sched/core.c:5124
Code: d1 08 85 c0 0f 84 38 01 00 00 48 85 db 0f 85 57 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 33 6f db 08 e8 ae 05 2f 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90004c977c0 EFLAGS: 00000282
RAX: 2f7fb76ebc0e1700 RBX: 0000000000000000 RCX: 2f7fb76ebc0e1700
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0
RBP: ffffc90004c97810 R08: ffff8880b8e3ad03 R09: 1ffff110171c75a0
R10: dffffc0000000000 R11: ffffed10171c75a1 R12: ffff88802d771e00
R13: 1ffff110171c76fa R14: dffffc0000000000 R15: ffff8880b8e3b7d0
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1087/0x4030 kernel/sched/core.c:6562
preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x60 kernel/kcov.c:221
Code: ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 <48> 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2
RSP: 0018:ffffc90004c97b28 EFLAGS: 00000246
RAX: ffffffff8176438b RBX: ffffc90004c97c50 RCX: ffff88802d771e00
RDX: ffffc9000eb81000 RSI: 0000000000000000 RDI: ffffc90004c97c50
RBP: ffffc90004c97d30 R08: ffff88802d771e07 R09: 1ffff11005aee3c0
R10: dffffc0000000000 R11: ffffed1005aee3c1 R12: dffffc0000000000
R13: ffffc90004c97c50 R14: 1ffff11005aee3c0 R15: ffff88802d771e00
futex_unqueue+0x1b/0xf0 kernel/futex/core.c:584
futex_wait+0x1ed/0x5c0 kernel/futex/waitwake.c:660
do_futex+0x310/0x320 kernel/futex/syscalls.c:134
__do_sys_futex kernel/futex/syscalls.c:211 [inline]
__se_sys_futex+0x381/0x410 kernel/futex/syscalls.c:192
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fae6319ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fae63f7c0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fae63415fa8 RCX: 00007fae6319ce59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fae63415fa8
RBP: 00007fae63415fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fae63416038 R14: 00007ffef2c80d40 R15: 00007ffef2c80e28
</TASK>
---
This report is generated by a bot. It may contain errors.
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If the report is a duplicate of another one, reply with:
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If you want to undo deduplication, reply with:
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syzbot found the following issue on:
HEAD commit: fdb6fcb41cc7 Linux 6.1.176
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1133ddfe580000
kernel config: https://syzkaller.appspot.com/x/.config?x=acfbe65fbce84c0c
dashboard link: https://syzkaller.appspot.com/bug?extid=d048b6277c10563ef2c6
compiler: Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8a12ae1ddcea/disk-fdb6fcb4.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d0dd1b27df77/vmlinux-fdb6fcb4.xz
kernel image: https://storage.googleapis.com/syzbot-assets/871bf60ea1f2/bzImage-fdb6fcb4.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d048b6...@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4355 0-.... } 5437 jiffies s: 2297 root: 0x1/T
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4464 Comm: syz.3.34 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:52 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline]
RIP: 0010:unwind_next_frame+0x1216/0x1fd0 arch/x86/kernel/unwind_orc.c:448
Code: 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 7c 45 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 27 <49> 63 07 4c 01 f8 49 8d 4f 04 4c 39 f0 48 0f 46 e9 49 8d 47 fc 4c
RSP: 0018:ffffc90000005438 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffc90000005540 RCX: dffffc0000000000
RDX: ffffffff8eaa0588 RSI: ffffffff8e36effc RDI: 0000000000000001
RBP: ffffffff8e36effc R08: 0000000000000010 R09: ffffc90000005590
R10: dffffc0000000000 R11: fffff52000000ab4 R12: ffffffff8e36effc
R13: ffffffff8e36f014 R14: ffffffff81d3201a R15: ffffffff8e36f008
FS: 00007fae63f7c6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000001a2da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
perf_callchain_kernel+0x42a/0x690 arch/x86/events/core.c:2805
get_perf_callchain+0x236/0x490 kernel/events/callchain.c:204
perf_callchain kernel/events/core.c:7512 [inline]
perf_prepare_sample+0x399/0x2020 kernel/events/core.c:7545
__perf_event_output kernel/events/core.c:7730 [inline]
perf_event_output_forward+0x197/0x2f0 kernel/events/core.c:7750
__perf_event_overflow+0x457/0x630 kernel/events/core.c:9496
perf_event_overflow kernel/events/core.c:9517 [inline]
perf_swevent_hrtimer+0x472/0x630 kernel/events/core.c:10967
__run_hrtimer kernel/time/hrtimer.c:1751 [inline]
__hrtimer_run_queues+0x4e7/0xc90 kernel/time/hrtimer.c:1815
hrtimer_interrupt+0x399/0x980 kernel/time/hrtimer.c:1877
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
__sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:49 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline]
RIP: 0010:unwind_next_frame+0x1233/0x1fd0 arch/x86/kernel/unwind_orc.c:448
Code: 00 00 fc ff df 0f b6 04 08 84 c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 f0 48 0f 46 e9 49 8d 47 fc 4c 0f 47 e8 4d 0f 46 e7 <4c> 39 ed 76 a8 e9 ec ef ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 7c
RSP: 0018:ffffc90000005f40 EFLAGS: 00000287
RAX: ffffffff8e2fcc68 RBX: ffffc90000005fe8 RCX: ffffffff8e2fcc70
RDX: ffffffff8e9f500c RSI: ffffffff8e2fcc54 RDI: 0000000000000001
RBP: ffffffff8e2fcc70 R08: 000000000000000c R09: 0000000000000021
R10: dffffc0000000000 R11: fffff52000000c09 R12: ffffffff8e2fcc6c
R13: ffffffff8e2fcc70 R14: ffffffff814f4874 R15: ffffffff8e2fcc6c
arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1729 [inline]
slab_free_freelist_hook+0x133/0x1b0 mm/slub.c:1755
slab_free mm/slub.c:3687 [inline]
__kmem_cache_free+0xb6/0x200 mm/slub.c:3700
skb_free_head net/core/skbuff.c:762 [inline]
skb_release_data+0x5e9/0x7e0 net/core/skbuff.c:791
skb_release_all net/core/skbuff.c:856 [inline]
__kfree_skb net/core/skbuff.c:870 [inline]
consume_skb+0xa2/0x100 net/core/skbuff.c:1035
__dev_kfree_skb_any+0x12f/0x150 net/core/dev.c:3223
free_old_xmit_skbs+0x117/0x2b0 drivers/net/virtio_net.c:1639
start_xmit+0x177/0x1710 drivers/net/virtio_net.c:1901
__netdev_start_xmit include/linux/netdevice.h:4894 [inline]
netdev_start_xmit include/linux/netdevice.h:4908 [inline]
xmit_one net/core/dev.c:3695 [inline]
dev_hard_start_xmit+0x292/0x8b0 net/core/dev.c:3711
sch_direct_xmit+0x24d/0x4a0 net/sched/sch_generic.c:345
__dev_xmit_skb net/core/dev.c:3932 [inline]
__dev_queue_xmit+0x180d/0x3810 net/core/dev.c:4337
neigh_output include/net/neighbour.h:545 [inline]
ip_finish_output2+0xd53/0x1220 net/ipv4/ip_output.c:228
NF_HOOK_COND include/linux/netfilter.h:291 [inline]
ip_output+0x2d9/0x400 net/ipv4/ip_output.c:434
dst_output include/net/dst.h:453 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x10e6/0x1c10 net/ipv4/ip_output.c:538
__tcp_transmit_skb+0x1cc4/0x31e0 net/ipv4/tcp_output.c:1407
tcp_rcv_established+0x132b/0x1de0 net/ipv4/tcp_input.c:6076
tcp_v4_do_rcv+0x67c/0xaf0 net/ipv4/tcp_ipv4.c:1684
tcp_v4_rcv+0x2810/0x2e90 net/ipv4/tcp_ipv4.c:2115
ip_protocol_deliver_rcu+0x38c/0x740 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2c0/0x510 net/ipv4/ip_input.c:233
NF_HOOK+0x329/0x3b0 include/linux/netfilter.h:302
dst_input include/net/dst.h:463 [inline]
ip_sublist_rcv_finish net/ipv4/ip_input.c:580 [inline]
ip_list_rcv_finish net/ipv4/ip_input.c:631 [inline]
ip_sublist_rcv+0xa2e/0xd50 net/ipv4/ip_input.c:639
ip_list_rcv+0x3e9/0x440 net/ipv4/ip_input.c:674
__netif_receive_skb_list_ptype net/core/dev.c:5662 [inline]
__netif_receive_skb_list_core+0x57e/0x770 net/core/dev.c:5710
__netif_receive_skb_list net/core/dev.c:5762 [inline]
netif_receive_skb_list_internal+0x93f/0xca0 net/core/dev.c:5853
gro_normal_list include/net/gro.h:433 [inline]
napi_complete_done+0x37e/0x850 net/core/dev.c:6194
virtqueue_napi_complete drivers/net/virtio_net.c:403 [inline]
virtnet_poll+0x9a8/0x1150 drivers/net/virtio_net.c:1717
__napi_poll+0xbb/0x460 net/core/dev.c:6628
napi_poll net/core/dev.c:6695 [inline]
net_rx_action+0x622/0xbc0 net/core/dev.c:6809
handle_softirqs+0x291/0x910 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:finish_task_switch+0x267/0x8e0 kernel/sched/core.c:5124
Code: d1 08 85 c0 0f 84 38 01 00 00 48 85 db 0f 85 57 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 33 6f db 08 e8 ae 05 2f 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90004c977c0 EFLAGS: 00000282
RAX: 2f7fb76ebc0e1700 RBX: 0000000000000000 RCX: 2f7fb76ebc0e1700
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0
RBP: ffffc90004c97810 R08: ffff8880b8e3ad03 R09: 1ffff110171c75a0
R10: dffffc0000000000 R11: ffffed10171c75a1 R12: ffff88802d771e00
R13: 1ffff110171c76fa R14: dffffc0000000000 R15: ffff8880b8e3b7d0
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1087/0x4030 kernel/sched/core.c:6562
preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x60 kernel/kcov.c:221
Code: ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 <48> 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2
RSP: 0018:ffffc90004c97b28 EFLAGS: 00000246
RAX: ffffffff8176438b RBX: ffffc90004c97c50 RCX: ffff88802d771e00
RDX: ffffc9000eb81000 RSI: 0000000000000000 RDI: ffffc90004c97c50
RBP: ffffc90004c97d30 R08: ffff88802d771e07 R09: 1ffff11005aee3c0
R10: dffffc0000000000 R11: ffffed1005aee3c1 R12: dffffc0000000000
R13: ffffc90004c97c50 R14: 1ffff11005aee3c0 R15: ffff88802d771e00
futex_unqueue+0x1b/0xf0 kernel/futex/core.c:584
futex_wait+0x1ed/0x5c0 kernel/futex/waitwake.c:660
do_futex+0x310/0x320 kernel/futex/syscalls.c:134
__do_sys_futex kernel/futex/syscalls.c:211 [inline]
__se_sys_futex+0x381/0x410 kernel/futex/syscalls.c:192
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fae6319ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fae63f7c0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fae63415fa8 RCX: 00007fae6319ce59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fae63415fa8
RBP: 00007fae63415fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fae63416038 R14: 00007ffef2c80d40 R15: 00007ffef2c80e28
</TASK>
---
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